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Amazing Eye Facts’

Written by: Francesca Foster, Published: 02 January 2019

How much do you know about your eyes?

For organs so small, it’s amazing how fascinating our eyes are; there’s so much to know.

Did you know that your eye is the fastest muscle in your body?!

On average, you blink about 12 times every minute; depending on your current activity; blinking more when you talk and less when you read.

Eyes heal quickly, giving only 48 hours for the eye to repair a corneal scratch with appropriate care.

Eye colours are due to the amount of melanin found; blue eyes contain little to no melanin, whereas green – brown eyes contain little to lots of melanin. The darker/more brown the pigment of your eyes, the more melanin contained.

New-born babies don’t produce tears; however will make crying sounds. This is due to their tear ducts not being fully developed yet. Their tears don’t start flowing until they are about 8 weeks old.

The cells in your eye come in different shapes. Rod-shaped cells that allow you to see shapes, and cone-shaped cells that allow you to see colour, of which there are 3 types allowing you to see the colours red, blue and green.

Human corneas are very similar to a sharks’ cornea. This similarity means that sharks’ corneas can be used as replacements in human corneal eye surgeries.

Each of your eyes has a small blind spot in the back of the retina where the optic nerve attaches. You don’t notice the hole in your vision because your eyes work together to fill in each other’s blind spot.

Your eyes can get sunburned; retain minimum eye exposure to the sun by wearing sun glasses.

80% of vision problems worldwide are avoidable or even curable, from difficulties such digital eye strain to suffering from cataracts.